As per https://wikitech.wikimedia.org/wiki/Help:Shared_storage
VPS project: https://tools.wmflabs.org/openstack-browser/project/wikidata-primary-sources-tool
Specifically, the team needs to easily access Wikidata dumps for testing purposes: since the primary sources tool front end will be a MediaWiki extension, we would like to have a full real-world test environment.